@article{DE_1992_28_11_a1,
     author = {A. S. Antipin},
     title = {Controlled proximal differential systems for solving saddle problems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1846--1861},
     publisher = {mathdoc},
     volume = {28},
     number = {11},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_11_a1/}
}